250°F (121°C) Oven Rebatch

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Zany_in_CO

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250°F (121°C) OVEN REBATCH

Grate soap into a large stainless steel pot and add liquid, if necessary.

Soap made with animal fats Use distilled water.
Soap made with veggie oils Use milk.

FRESH, less than a week-old No added liquid.
OLDER than a week Add liquid.

Add up to 9 oz. liquid maximum for 16-24 oz. grated soap.

Vegetable oils need animal fats to melt down more completely. So use MILK instead of WATER to wet down the grated soap. ANY kind of milk...from skim to goat's milk to wet the soap. ICE COLD from the fridge.

It's not necessary to add lots of liquid in order to melt the soap down. The fresher the soap, the less liquid you'll use. The older/drier the soap, the closer you'll get to the maximum 9 oz. liquid per 16 oz. soap.

Usually, you’ll only need enough liquid to dampen the gratings. The fresher the soap is, the easier it is to melt because there is sufficient liquid trapped INSIDE the soap to allow it to melt easily.

METHOD

Preheat oven to 250°F (120°C).
Lower oven rack to accommodate a large stainless steel pot.
Add grated soap to large stainless steel pot.
Add liquid, if needed. Toss lightly to wet all gratings.
Cover and cook 1 hour, undisturbed.

At the end of the hour, the soap should be almost completely molten. Give it a stir. You can add any additives now. An ounce of sunflower oil will make it more workable. Return to oven for another 5 minutes or so. Give it another quick stir and mold up.

NOTES: If the soap isn’t completely molten after an hour, continue cooking another 20 minutes. Repeat as necessary until it is.

If none or very little soap is melted after an hour, add more liquid, give a quick stir, and cook for another hour. How much liquid to add and how long to cook depends on how old and how dried out the soap is.
 
Might have to give this a try next time I wind up doing rebatching. I really like processes that are "set this up, and walk away for x amount of time". And I've got several stainless stock pots (nesting descending sizes makes a pretty good double boiler).
 

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